Papers, Addresses, Reports: Early Pennsylvanian Microfaunas of the Illinois Basin; Record of Mississippi River Diversion in the Morton Loess of Illinois; Growth and Pigment Studies of Pullularia pullularts; Chemistry Education at the...

Papers, Symposia, Addresses, Reports: The Academy's Opportunities for Usefulness; Cultural Affinities and Differences in Illinois Archaeology; The Use of Animal Life by the Mound-building Indians of Illinois; Geology and the Indian Mounds;...

Papers, Symposia, Addresses, Reports: Report of Secretary; Report of Treasurer; Report of Committee on Ecological Survey of State; Address of Welcome; Life and Work of John Ulric Nef; Stellar Photometry; The Determination of Stellar Distances;...

Papers, Addresses, Reports: Extract from the Report of the Secretary; Address of the Retiring President: Some Aspects of Human Society in the Light of Geologic Philosophy; Stream Pollution Problems; Extract from the Report of the Section...

Papers, Addresses, Reports: Let the Chips Fall Where They May; The Fish Population of a Spring-fed Stream System in Southern Illinois; Fishing Pressure and Fishing Success at Argyle Lake, McDonough County, Illinois, as Indicated by Creel...

Papers, Addresses, Reports: Available Energy; The "Who" in the High School Science Program; Training of Teachers for Tomorrow's World; Late Woodland occupations of the Fisher Site, Will County, Illinois; More data on Hopewell sites in Peoria...